Juliadi
Yogyakarta : Ombak, 2007
Buku Teks
Philippines : University of The Philippines Asian Center
Majalah, Jurnal, Buletin
Turkiye : Nisan
Majalah, Jurnal, Buletin
Amsterdam : N.V.'T Koggeschip
Majalah, Jurnal, Buletin
Quarterly, 1988
Majalah, Jurnal, Buletin